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Finding the Fourth Proportional to 616,220.82, 850,300.20 and 344,254.92

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Solution

The fourth proportional to 616,220.82, 850,300.20 and 344,254.92 is: 475,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,220.82 : 850,300.20 = 344,254.92 : x
  2. Step 2: Convert to fraction form
    616,220.82/850,300.20 = 344,254.92/x
  3. Step 3: Cross multiply
    616,220.82x = 850,300.20 × 344,254.92
  4. Step 4: Simplify right side
    616,220.82x = 292,720,021,354.21
  5. Step 5: Solve for x
    x = 292,720,021,354.21/616,220.82
  6. Step 6: Final answer
    x = 475,024.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.